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Solving the activity–stability trade-off riddle

Journal Article · · Nature Catalysis
 [1];  [2];  [2]
  1. State Univ. of New York (SUNY), Buffalo, NY (United States); University at Buffalo, SUNY
  2. State Univ. of New York (SUNY), Buffalo, NY (United States)
Atomically dispersed and nitrogen-coordinated single iron site catalysts hold great promise to replace platinum for proton-exchange membrane fuel cells, but they suffer from significant performance loss. As shown here, solving the conundrum to distinguish durable and non-durable FeN4 active sites can guide high-performance catalyst design.
Research Organization:
Carnegie Mellon Univ., Pittsburgh, PA (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
Grant/Contract Number:
EE0008076
OSTI ID:
1907942
Journal Information:
Nature Catalysis, Journal Name: Nature Catalysis Journal Issue: 1 Vol. 4; ISSN 2520-1158
Publisher:
Springer NatureCopyright Statement
Country of Publication:
United States
Language:
English

References (12)

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X‐Ray Absorption Spectroscopy Characterizations on PGM‐Free Electrocatalysts: Justification, Advantages, and Limitations journal December 2018
PGM‐Free Cathode Catalysts for PEM Fuel Cells: A Mini‐Review on Stability Challenges journal December 2018
Single Cobalt Sites Dispersed in Hierarchically Porous Nanofiber Networks for Durable and High‐Power PGM‐Free Cathodes in Fuel Cells journal October 2020
Engineering Local Coordination Environments of Atomically Dispersed and Heteroatom‐Coordinated Single Metal Site Electrocatalysts for Clean Energy‐Conversion journal November 2019
Supported and coordinated single metal site electrocatalysts journal March 2020
Single Atomic Iron Catalysts for Oxygen Reduction in Acidic Media: Particle Size Control and Thermal Activation journal September 2017
Achievements, challenges and perspectives on cathode catalysts in proton exchange membrane fuel cells for transportation journal July 2019
Identification of durable and non-durable FeNx sites in Fe–N–C materials for proton exchange membrane fuel cells journal December 2020
Atomically dispersed metal–nitrogen–carbon catalysts for fuel cells: advances in catalyst design, electrode performance, and durability improvement journal January 2020
High-performance fuel cell cathodes exclusively containing atomically dispersed iron active sites journal January 2019
High-Performance Electrocatalysts for Oxygen Reduction Derived from Polyaniline, Iron, and Cobalt journal April 2011

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